ID   MYG_ORCOR               Reviewed;         154 AA.
AC   P02173;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 95.
DE   RecName: Full=Myoglobin;
GN   Name=MB;
OS   Orcinus orca (Killer whale) (Delphinus orca).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Laurasiatheria; Artiodactyla; Whippomorpha; Cetacea; Odontoceti;
OC   Delphinidae; Orcinus.
OX   NCBI_TaxID=9733;
RN   [1]
RP   PROTEIN SEQUENCE OF 2-154.
RC   TISSUE=Skeletal muscle;
RX   PubMed=6115067; DOI=10.1007/bf01733910;
RA   Meuth J.L., Jones B.N., Gurd F.R.N.;
RT   "Reassignment of residue 122 in the myoglobin from the killer whale,
RT   Orcinus orca.";
RL   J. Mol. Evol. 17:163-166(1981).
RN   [2]
RP   PROTEIN SEQUENCE OF 2-154.
RC   TISSUE=Skeletal muscle;
RX   PubMed=849459; DOI=10.1016/0005-2795(77)90037-x;
RA   Castillo O., Lehmann H., Jones L.T.;
RT   "The myoglobin of the killer whale (Orcinus orca).";
RL   Biochim. Biophys. Acta 491:23-28(1977).
CC   -!- FUNCTION: Serves as a reserve supply of oxygen and facilitates the
CC       movement of oxygen within muscles.
CC   -!- SIMILARITY: Belongs to the globin family. {ECO:0000255|PROSITE-
CC       ProRule:PRU00238}.
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DR   PIR; A92956; MYWHL.
DR   RefSeq; XP_004286254.1; XM_004286206.1.
DR   RefSeq; XP_004286255.1; XM_004286207.1.
DR   AlphaFoldDB; P02173; -.
DR   SMR; P02173; -.
DR   STRING; 9733.XP_004286254.1; -.
DR   GeneID; 101283064; -.
DR   KEGG; oor:101283064; -.
DR   CTD; 4151; -.
DR   OrthoDB; 1405713at2759; -.
DR   GO; GO:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0019825; F:oxygen binding; IEA:InterPro.
DR   GO; GO:0005344; F:oxygen carrier activity; IEA:UniProtKB-KW.
DR   InterPro; IPR000971; Globin.
DR   InterPro; IPR009050; Globin-like_sf.
DR   InterPro; IPR002335; Myoglobin.
DR   PANTHER; PTHR47132; PTHR47132; 1.
DR   Pfam; PF00042; Globin; 1.
DR   PRINTS; PR00613; MYOGLOBIN.
DR   SUPFAM; SSF46458; SSF46458; 1.
DR   PROSITE; PS01033; GLOBIN; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Heme; Iron; Metal-binding; Muscle protein;
KW   Oxygen transport; Phosphoprotein; Transport.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000269|PubMed:6115067,
FT                   ECO:0000269|PubMed:849459"
FT   CHAIN           2..154
FT                   /note="Myoglobin"
FT                   /id="PRO_0000053324"
FT   BINDING         65
FT                   /ligand="heme b"
FT                   /ligand_id="ChEBI:CHEBI:60344"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="distal binding residue"
FT   BINDING         94
FT                   /ligand="heme b"
FT                   /ligand_id="ChEBI:CHEBI:60344"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="proximal binding residue"
FT   MOD_RES         4
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q9QZ76"
FT   MOD_RES         68
FT                   /note="Phosphothreonine"
FT                   /evidence="ECO:0000250|UniProtKB:P04247"
FT   CONFLICT        123
FT                   /note="E -> Q (in Ref. 2; AA sequence)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   154 AA;  17202 MW;  0D287946EF253C05 CRC64;
     MGLSDGEWQL VLNVWGKVEA DLAGHGQDIL IRLFKGHPET LEKFDKFKHL KTEADMKASE
     DLKKHGNTVL TALGAILKKK GHHDAELKPL AQSHATKHKI PIKYLEFISE AIIHVLHSRH
     PAEFGADAQG AMNKALELFR KDIAAKYKEL GFHG